From: Fuad Tabba <tabba@google.com>
To: kvmarm@lists.linux.dev
Cc: maz@kernel.org, oliver.upton@linux.dev, james.morse@arm.com,
suzuki.poulose@arm.com, yuzenghui@huawei.com,
catalin.marinas@arm.com, will@kernel.org, eric.auger@redhat.com,
jingzhangos@google.com, joey.gouly@arm.com, tabba@google.com,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 04/12] KVM: arm64: Add bit masks for HAFGRTR_EL2
Date: Wed, 6 Dec 2023 10:04:54 +0000 [thread overview]
Message-ID: <20231206100503.564090-5-tabba@google.com> (raw)
In-Reply-To: <20231206100503.564090-1-tabba@google.com>
To support HAFGRTR_EL2 supported in nested virt in the following
patch, first add its bitmask definitions based on the 2023-09
Arm Architecture System Registers xml specification [*].
[*] https://developer.arm.com/downloads/-/exploration-tools
Signed-off-by: Fuad Tabba <tabba@google.com>
---
arch/arm64/include/asm/kvm_arm.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index b85f46a73e21..7de0a7062625 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -370,6 +370,10 @@
#define __HDFGWTR_EL2_MASK ~__HDFGWTR_EL2_nMASK
#define __HDFGWTR_EL2_nMASK GENMASK(62, 60)
+#define __HAFGRTR_EL2_RES0 (GENMASK(63, 50) | GENMASK(16, 5))
+#define __HAFGRTR_EL2_MASK (GENMASK(49, 17) | GENMASK(4, 0))
+#define __HAFGRTR_EL2_nMASK 0UL
+
/* Similar definitions for HCRX_EL2 */
#define __HCRX_EL2_RES0 (GENMASK(63, 16) | GENMASK(13, 12))
#define __HCRX_EL2_MASK (0)
--
2.43.0.rc2.451.g8631bc7472-goog
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next prev parent reply other threads:[~2023-12-06 10:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-06 10:04 [PATCH v2 00/12] KVM: arm64: Fixes to fine grain traps and pKVM traps Fuad Tabba
2023-12-06 10:04 ` [PATCH v2 01/12] KVM: Add missing HCRX_EL2 field definitions Fuad Tabba
2023-12-07 16:57 ` Mark Brown
2023-12-08 8:14 ` Fuad Tabba
2023-12-08 13:43 ` Mark Brown
2023-12-06 10:04 ` [PATCH v2 02/12] KVM: arm64: Add latest HFGxTR_EL2 FGT entries to nested virt Fuad Tabba
2023-12-07 17:06 ` Mark Brown
2023-12-08 8:16 ` Fuad Tabba
2023-12-06 10:04 ` [PATCH v2 03/12] KVM: arm64: Add latest HFGITR_EL2 " Fuad Tabba
2023-12-07 17:14 ` Mark Brown
2023-12-08 8:17 ` Fuad Tabba
2023-12-06 10:04 ` Fuad Tabba [this message]
2023-12-07 17:19 ` [PATCH v2 04/12] KVM: arm64: Add bit masks for HAFGRTR_EL2 Mark Brown
2023-12-08 8:17 ` Fuad Tabba
2023-12-06 10:04 ` [PATCH v2 05/12] KVM: arm64: Handle HAFGRTR_EL2 trapping in nested virt Fuad Tabba
2023-12-07 17:28 ` Mark Brown
2023-12-08 8:19 ` Fuad Tabba
2023-12-08 13:51 ` Mark Brown
2023-12-06 10:04 ` [PATCH v2 06/12] KVM: arm64: Update and fix FGT register masks Fuad Tabba
2023-12-07 15:00 ` Joey Gouly
2023-12-07 15:06 ` Fuad Tabba
2023-12-07 17:12 ` Joey Gouly
2023-12-08 8:23 ` Fuad Tabba
2023-12-06 10:04 ` [PATCH v2 07/12] KVM: arm64: Add build validation for FGT trap mask values Fuad Tabba
2023-12-06 10:04 ` [PATCH v2 08/12] KVM: arm64: Use generated FGT RES0 bits instead of specifying them Fuad Tabba
2023-12-06 10:04 ` [PATCH v2 09/12] KVM: arm64: Generate the HFGWTR-only RES0 bits Fuad Tabba
2023-12-06 10:19 ` Fuad Tabba
2023-12-06 10:05 ` [PATCH v2 10/12] KVM: arm64: Define FGT NMASK bits relative to other fields Fuad Tabba
2023-12-06 10:05 ` [PATCH v2 11/12] KVM: arm64: Trap external trace for protected VMs Fuad Tabba
2023-12-06 10:05 ` [PATCH v2 12/12] KVM: arm64: Mark CMOW as allowed " Fuad Tabba
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